# Email Service

Send transactional emails at scale with Cloudflare Email Service

> Links below point directly to Markdown versions of each page. Any page can also be retrieved as Markdown by sending an `Accept: text/markdown` header to the page's URL without the `index.md` suffix (for example, `curl -H "Accept: text/markdown" https://developers.cloudflare.com/email-service/`).
>
> For other Cloudflare products, see the [Cloudflare documentation directory](https://developers.cloudflare.com/llms.txt).
>
> Use [Email Service llms-full.txt](https://developers.cloudflare.com/email-service/llms-full.txt) for the complete Email Service documentation in a single file, intended for offline indexing, bulk vectorization, or large-context models.

## Overview

- [Cloudflare Email Service](https://developers.cloudflare.com/email-service/index.md)

## Getting started

- [Getting started](https://developers.cloudflare.com/email-service/get-started/index.md)
- [Route emails](https://developers.cloudflare.com/email-service/get-started/route-emails/index.md)
- [Send emails](https://developers.cloudflare.com/email-service/get-started/send-emails/index.md)

## api

- [Workers API](https://developers.cloudflare.com/email-service/api/route-emails/email-handler/index.md)
- [REST API](https://developers.cloudflare.com/email-service/api/send-emails/rest-api/index.md)
- [Workers API](https://developers.cloudflare.com/email-service/api/send-emails/workers-api/index.md)

## concepts

- [Email deliverability](https://developers.cloudflare.com/email-service/concepts/deliverability/index.md)
- [Email authentication](https://developers.cloudflare.com/email-service/concepts/email-authentication/index.md)
- [Email lifecycle](https://developers.cloudflare.com/email-service/concepts/email-lifecycle/index.md)
- [Suppressions lists](https://developers.cloudflare.com/email-service/concepts/suppressions/index.md)

## configuration

- [Domain configuration](https://developers.cloudflare.com/email-service/configuration/domains/index.md)
- [Email routing rules and addresses](https://developers.cloudflare.com/email-service/configuration/email-routing-addresses/index.md)
- [Configure MTA-STS](https://developers.cloudflare.com/email-service/configuration/mta-sts/index.md)

## examples

- [Email storage and processing](https://developers.cloudflare.com/email-service/examples/email-routing/email-storage/index.md)
- [Handle hard bounce emails](https://developers.cloudflare.com/email-service/examples/email-routing/hard-bounce-handling/index.md)
- [Spam filtering](https://developers.cloudflare.com/email-service/examples/email-routing/spam-filtering/index.md)
- [Email sending](https://developers.cloudflare.com/email-service/examples/email-sending/index.md)
- [Email attachments](https://developers.cloudflare.com/email-service/examples/email-sending/email-attachments/index.md): Handle different types of email attachments including PDFs, inline images, and file uploads with validation and encoding.
- [Magic link authentication](https://developers.cloudflare.com/email-service/examples/email-sending/magic-link/index.md): Passwordless login system using magic links sent via email with JWT tokens and session management.
- [User signup flow](https://developers.cloudflare.com/email-service/examples/email-sending/signup-flow/index.md): Handle user registration with automated welcome emails and email verification using secure tokens.

## local-development

- [Email routing](https://developers.cloudflare.com/email-service/local-development/routing/index.md)
- [Email sending](https://developers.cloudflare.com/email-service/local-development/sending/index.md)

## observability

- [Email Logs](https://developers.cloudflare.com/email-service/observability/logs/index.md)
- [Metrics and analytics](https://developers.cloudflare.com/email-service/observability/metrics-analytics/index.md)

## platform

- [Limits](https://developers.cloudflare.com/email-service/platform/limits/index.md)
- [Pricing](https://developers.cloudflare.com/email-service/platform/pricing/index.md)

## reference

- [FAQ](https://developers.cloudflare.com/email-service/reference/faq/index.md)
- [Email headers](https://developers.cloudflare.com/email-service/reference/headers/index.md)
- [Postmaster](https://developers.cloudflare.com/email-service/reference/postmaster/index.md): Reference page with postmaster information for professionals, as well as configuration details for Email Service.
- [Troubleshoot SPF, DKIM and DMARC](https://developers.cloudflare.com/email-service/reference/troubleshooting/index.md)